added cache configuration and cleanup to kio_bookmarks kcm

svn path=/trunk/KDE/kdebase/apps/; revision=871446

konqueror/settings/kio/bookmarks.cpp

@@ -32,7 +32,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include <kgenericfactory.h>
 #include <klocale.h>
 #include <knuminput.h>
-
+#include <kpixmapcache.h>
 
 K_PLUGIN_FACTORY_DECLARATION(KioConfigFactory)
 
@@ -47,6 +47,13 @@ BookmarksConfigModule::~BookmarksConfigModule()
 {
 }
 
+void BookmarksConfigModule::clearCache()
+{
+  KPixmapCache* cache = new KPixmapCache("kio_bookmarks");
+  cache->discard();
+  delete cache;
+}
+
 void BookmarksConfigModule::load()
 {
   KConfig *c = new KConfig("kiobookmarksrc");
@@ -57,6 +64,7 @@ void BookmarksConfigModule::load()
   ui.cbShowRoot->setChecked(group.readEntry("ShowRoot", true));
   ui.cbFlattenTree->setChecked(group.readEntry("FlattenTree", false));
   ui.cbShowPlaces->setChecked(group.readEntry("ShowPlaces", true));
+  ui.sbCacheSize->setValue(group.readEntry("CacheSize", 4));
 
   // Config changed notifications...
   connect ( ui.sbColumns, SIGNAL(valueChanged(int)), SLOT(configChanged()) );
@@ -64,6 +72,9 @@ void BookmarksConfigModule::load()
   connect ( ui.cbShowRoot, SIGNAL(toggled(bool)), SLOT(configChanged()) );
   connect ( ui.cbFlattenTree, SIGNAL(toggled(bool)), SLOT(configChanged()) );
   connect ( ui.cbShowPlaces, SIGNAL(toggled(bool)), SLOT(configChanged()) );
+  connect ( ui.sbCacheSize, SIGNAL(valueChanged(int)), SLOT(configChanged()) );
+
+  connect ( ui.clearCacheButton, SIGNAL(clicked(bool)), SLOT(clearCache()) );
 
   delete c;
   emit changed( false );
@@ -78,6 +89,7 @@ void BookmarksConfigModule::save()
   group.writeEntry("ShowRoot", ui.cbShowRoot->isChecked() );
   group.writeEntry("FlattenTree", ui.cbFlattenTree->isChecked() );
   group.writeEntry("ShowPlaces", ui.cbShowPlaces->isChecked() );
+  group.writeEntry("CacheSize", ui.sbCacheSize->value() );
 
   c->sync();
   delete c;
@@ -91,6 +103,7 @@ void BookmarksConfigModule::defaults()
   ui.cbShowRoot->setChecked( true );
   ui.cbShowPlaces->setChecked( true );
   ui.cbFlattenTree->setChecked( false );
+  ui.sbCacheSize->setValue( 5*1024 );
 }
 
 QString BookmarksConfigModule::quickHelp() const

konqueror/settings/kio/bookmarks.h

@@ -33,12 +33,13 @@ public:
   BookmarksConfigModule(QWidget *parent, const QVariantList &args);
   ~BookmarksConfigModule();
 
-  virtual void load();
+  void load();
-  virtual void save();
+  void save();
-  virtual void defaults();
+  void defaults();
   QString quickHelp() const;
 
 private Q_SLOTS:
+  void clearCache();
   void configChanged();
 
 private:

konqueror/settings/kio/bookmarks.ui

@@ -119,7 +119,7 @@ It looks less nice but it may help if you have a very big folder you want to spr
      </layout>
     </widget>
    </item>
-   <item row="2" column="0" >
+   <item row="3" column="0" >
     <spacer name="verticalSpacer" >
      <property name="orientation" >
       <enum>Qt::Vertical</enum>
@@ -132,11 +132,77 @@ It looks less nice but it may help if you have a very big folder you want to spr
      </property>
     </spacer>
    </item>
+   <item row="2" column="0" >
+    <widget class="QGroupBox" name="groupBox_3" >
+     <property name="whatsThis" >
+      <string>How many disk space is used to cache the pixmaps</string>
+     </property>
+     <property name="title" >
+      <string>Pixmap cache</string>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout_2" >
+      <item>
+       <widget class="QLabel" name="lbMaxCacheSize" >
+        <property name="enabled" >
+         <bool>true</bool>
+        </property>
+        <property name="text" >
+         <string>Disk cache size:</string>
+        </property>
+        <property name="buddy" >
+         <cstring>sbCacheSize</cstring>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="KIntNumInput" name="sbCacheSize" >
+        <property name="enabled" >
+         <bool>true</bool>
+        </property>
+        <property name="suffix" >
+         <string> kB</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QPushButton" name="clearCacheButton" >
+        <property name="enabled" >
+         <bool>true</bool>
+        </property>
+        <property name="whatsThis" >
+         <string>Clear the pixmap cache</string>
+        </property>
+        <property name="text" >
+         <string>&amp;Clear Cache</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <spacer name="horizontalSpacer_2" >
+        <property name="orientation" >
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0" >
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
   </layout>
  </widget>
  <layoutdefault spacing="6" margin="11" />
  <pixmapfunction>qPixmapFromMimeSource</pixmapfunction>
  <customwidgets>
+  <customwidget>
+   <class>KIntNumInput</class>
+   <extends>QWidget</extends>
+   <header>knuminput.h</header>
+  </customwidget>
   <customwidget>
    <class>KIntSpinBox</class>
    <extends>QSpinBox</extends>